the ENGINEERING page
Typical Fouling Factors [m2K/W]
Cooling Water
| Conditions | cooling water < 50 C cooled fluid < 120 C |
cooling water > 50 C cooled fluid > 120 C |
||
| Cooling Water velocity | v < 1 m/s | v > 1 m/s | v < 1 m/s | v > 1 m/s |
| Type of Water | ||||
| Sea | 0.00009 | 0.00009 | 0.00018 | 0.00018 |
| Brackish | 0.00035 | 0.00018 | 0.00053 | 0.00035 |
| Cooling tower with inhibitor | 0.00018 | 0.00018 | 0.00035 | 0.00035 |
| Cooling tower without inhibitor | 0.00053 | 0.00053 | 0.00088 | 0.0007 |
| City grid | 0.00018 | 0.00018 | 0.00035 | 0.00035 |
| River mimimum | 0.00018 | 0.00018 | 0.00035 | 0.00035 |
| River average | 0.00053 | 0.00035 | 0.0007 | 0.00035 |
| Engine jacket | 0.00018 | 0.00018 | 0.00018 | 0.00018 |
| Demineralized or distilled | 0.00009 | 0.00009 | 0.00009 | 0.00009 |
| Treated Boiler Feedwater | 0.00018 | 0.00009 | 0.00018 | 0.00018 |
| Boiler blowdown | 0.00035 | 0.00035 | 0.00035 | 0.00035 |
Several Fluids
| Group | Fluid | Fouling Factor |
| Oil | Gasoil | 0.00009 |
| Tansformer | 0.00018 | |
| Lubrication | 0.00018 | |
| Heat Transfer oil | 0.00018 | |
| Hydraulic | 0.00018 | |
| Gas and Vapour | Hydrogen | 0.00176 |
| Engine exhaust | 0.00176 | |
| Steam | 0.00009 | |
| Steam with oiltraces | 0.00018 | |
| Cooling fluid vapours with oil traces | 0.00035 | |
| Organic solvent vapours | 0.00018 | |
| Compressed air | 0.00035 | |
| Natural gas | 0.00018 | |
| Stable top products | 0.00018 | |
| Liquid | Cooling Fluid | 0.00018 |
| Organic heat transfer fluids | 0.00018 | |
| Salts | 0.00009 | |
| LPG, LNG | 0.00018 | |
| MEA and DEA (Amines) solutions | 0.00035 | |
| DEG and TEG (Glycols) solutions | 0.00035 | |
| Stable side products | 0.00018 | |
| Stable bottom products | 0.00018 | |
| Caustics | 0.00035 | |
| Vegetable Oils | 0.00053 | |